Lumbar cramping pain, or back spasms, can be caused by lumbar fasciitis. Lumbar fasciitis can cause pain when an injury or external stimulus triggers localized inflammation. You can take general treatment, medication and physical therapy to relieve the pain of lumbar cramps that prevent you from moving. 1. General treatment: you can take hot compresses in the local lumbar region to relieve the pain of cramps and promote blood circulation in the lumbar region. The temperature is recommended to be around 40℃, each time 20 minutes. 2. Medication: patients can take some Tongluo Pain Relief Capsules and other similar drugs to promote relief of pain, blood circulation and blood stasis. 3. Physical therapy: You can use some physical therapy methods such as ion introduction therapy and electromagnetic therapy under the guidance of doctors, which can promote the rapid relief of pain.